Possibly a research tool some on this list might be interested in....
Company Claims Text-Mining Technology Can Spot A Lie
The software maker SAS Institute says it has developed a text-mining
system that allows large quantities of text to be scanned,
categorized and analyzed. And, SAS says, it can spot a lie -
literally - from a thousand miles away.
Although originally developed to allow firms to speed up the rate at
which inbound e-mail and letters can be processed, SAS said it has
discovered the technology also can be used to tackle a wide variety
of situations in which a writer is acting fraudulently or lying.
more at http://www.techknowtimes.com/jump/v5i9008.html